HP 8000 Business Desktop Small Form Factor with Windows 7 Professional, Intel Dual Core 2.93GHz, 4GB DDR3, 500GB HDD, DVD (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty. Intel Pentium E6500 Dual Core 2.93 GHz, 4 GB DDR3, 500 GB HDD, Intel HD Graphics GMA4500 DVD Drive, 10 USB 2.0, 1 VGA, 1 DVI, RJ45, 10/100Mbps LAN, NO WiFi, 1 PCI Slot 1 PCI Express x16 Slot 2 PCI Express x1 Slot Slim Form Factor Desktop with 13.3" x 3.9" x 14.3" dimension. Great system for business and office use. Comes with Keyboard and Mouse. Windows 7 Professional 64 bit ASUS wireless mouse, AC Power Adapter.